The Plan of Iguala, also known as the Plan of the Three Guarantees or Act of Independence of North America, was an important document of a political nature, proclaimed by the military Agustín de Iturbide on February 24, 1821, in the city of Iguala, Mexico.

A trade is a work activity that is generally linked to manual or artisan processes that do not require formal studies while a profession is a work activity that requires specialized academic training. The differences between trade and profession has to do with the level of studies required in each case.